Referenced Items are not available for this document.
We describe a method for the experimental characterization of intrinsic switching field distributions in perpendicular media. The method is based upon a comparison between the major loop and a set of recoil loops, which start at a certain distance ΔM away from saturation. In particular, we measure the applied field difference ΔH between the recoil loops and the major loop at identical M values, for which the average demagnetizing fields are the same. By analyzing complete ΔH(M,ΔM) data sets taken from multiple recoil loops, we gain a detailed measure of the intrinsic switching field distribution D(HS). Using polar-Kerr effect measurements of recording disk samples, we demonstrate the capabilities of our approach.
Published in:
Magnetics, IEEE Transactions on
(Volume:41
,
Issue:
10
)
Date of Publication: Oct. 2005
- Page(s):
- 3178 - 3180
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 8656350
- Digital Object Identifier :
- 10.1109/TMAG.2005.855285
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 17 October 2005
- Issue Date :
- Oct. 2005
- Sponsored by :
- IEEE Magnetics Society
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